<template>
  <div class="container">
    <div class="search-box">
      <label>{{address}}</label>
      <input v-model="searchKey" type="search" id="search"/>
      <button @click="searchByHand">搜索</button>
      <button @click="submitAddress" style="margin-left: 2px">确认</button>
      <div class="tip-box" id="searchTip"></div>
    </div>
    <el-amap
      class="amap-box"
      :amap-manager="amapManager"
      :vid="'amap-vue'"
      :zoom="zoom"
      :plugin="plugin"
      :center="center"
      :events="events"
    >
      <!-- 标记 -->
      <el-amap-marker
        v-for="(marker, index) in markers"
        :position="marker"
        :key="index"
      ></el-amap-marker>
    </el-amap>
  </div>
</template>
<script>
import { AMapManager, lazyAMapApiLoaderInstance } from "vue-amap";

let amapManager = new AMapManager();
export default {
  data() {
    let self = this;
    return {
      address: "",
      searchKey: "",
      amapManager,
      markers: [],
      searchOption: {
        city: "全国",
        citylimit: true,
      },
      center: [121.329402, 31.228667],
      zoom: 17,
      lng: 0,
      lat: 0,
      loaded: false,
      markerEvent: {
        click(e) {
          console.log(e);
        },
      },
      events: {
        init() {
          lazyAMapApiLoaderInstance.load().then(() => {
            self.initSearch();
          });
        },
        // 点击获取地址的数据
        click(e) {
          self.markers = [];
          let { lng, lat } = e.lnglat;
          self.lng = lng;
          self.lat = lat;
          self.center = [lng, lat];
          self.markers.push([lng, lat]);
          // 这里通过高德 SDK 完成。
          let geocoder = new AMap.Geocoder({
            radius: 1000,
            extensions: "all",
          });
          geocoder.getAddress([lng, lat], function (status, result) {
            if (status === "complete" && result.info === "OK") {
              if (result && result.regeocode) {
                console.log(result.regeocode.formattedAddress);
                self.address = result.regeocode.formattedAddress;
                self.searchKey = result.regeocode.formattedAddress;
                self.$nextTick();
              }
            }
          });
        },
      },
      // 一些工具插件
      plugin: [
        {
          // 定位
          pName: "Geolocation",
          events: {
            init(o) {
              // o是高德地图定位插件实例
              o.getCurrentPosition((status, result) => {
                if (result && result.position) {
                  self.address = result.formattedAddress;
                  // 设置经度
                  self.lng = result.position.lng;
                  // 设置维度
                  self.lat = result.position.lat;
                  // 设置坐标
                  self.center = [self.lng, self.lat];
                  self.markers.push([self.lng, self.lat]);
                  // load
                  self.loaded = true;
                  // 页面渲染好后
                  self.$nextTick();
                }
              });
            },
            click(e) {
              console.log(e);
            },
          },
        },
        {
          // 工具栏
          pName: "ToolBar",
          events: {
            init(instance) {
              console.log(instance);
            },
          },
        },
        {
          // 鹰眼
          pName: "OverView",
          events: {
            init(instance) {
              console.log(instance);
            },
          },
        },
        {
          // 地图类型
          pName: "MapType",
          defaultType: 0,
          events: {
            init(instance) {
              console.log(instance);
            },
          },
        },
        {
          // 搜索
          pName: "PlaceSearch",
          events: {
            init(instance) {
              console.log(instance);
            },
          },
        },
      ],
    };
  },
  methods: {
    submitAddress() {
      consoel.log("经纬度", this.center);
      consoel.log("地址", this.address);
    },
    initSearch() {
      let vm = this;
      let map = this.amapManager.getMap();
      AMapUI.loadUI(["misc/PoiPicker"], function (PoiPicker) {
        var poiPicker = new PoiPicker({
          input: "search",
          placeSearchOptions: {
            map: map,
            pageSize: 10,
          },
          suggestContainer: "searchTip",
          searchResultsContainer: "searchTip",
        });
        vm.poiPicker = poiPicker;
        // 监听poi选中信息
        poiPicker.on("poiPicked", function (poiResult) {
          // console.log(poiResult)
          let source = poiResult.source;
          let poi = poiResult.item;
          if (source !== "search") {
            poiPicker.searchByKeyword(poi.name);
          } else {
            poiPicker.clearSearchResults();
            vm.markers = [];
            let lng = poi.location.lng;
            let lat = poi.location.lat;
            let address = poi.cityname + poi.adname + poi.name;
            vm.center = [lng, lat];
            console.log(vm.center);
            vm.markers.push([lng, lat]);
            vm.lng = lng;
            vm.lat = lat;
            vm.address = address;
            vm.searchKey = address;
          }
        });
      });
    },
    searchByHand() {
      if (this.searchKey !== "") {
        this.poiPicker.searchByKeyword(this.searchKey);
      }
    },
  },
};
</script>
<style>
.container {
  width: 100%;
  height: 550px;
  position: relative;
  left: 0;
  top: 50%;
  transform: translate3d(-50%, -50%, 0);
  border: 1px solid #999;
}

.search-box {
  position: absolute;
  z-index: 5;
  width: 70%;
  left: 13%;
  top: 5px;
  height: 30px;
}

.search-box input {
  float: left;
  width: 59%;
  height: 100%;
  border: 1px solid #30ccc1;
  padding: 0 8px;
  outline: none;
}

.search-box button {
  float: left;
  width: 20%;
  height: 100%;
  background: #30ccc1;
  border: 1px solid #30ccc1;
  color: #fff;
  outline: none;
}

.tip-box {
  width: 100%;
  max-height: 260px;
  position: absolute;
  top: 30px;
  overflow-y: auto;
  background-color: #fff;
}
</style>